package day03;
//if...else结构的演示
public class IfElseDemo {
    public static void main(String[] args) {
        //1)满500打8折,不满500打9折:
        double price = 600.0;
        if (price>=500){
            price *=0.8;
        }else {
            price *=0.9;
        }
        System.out.println("最终结算金额为:"+price);

        //2)判断成绩合法还是不合法:
        double score = 95;
        if (score>=0 && score<=100){
            System.out.println(score+"是合法成绩");
        }else {
            System.out.println(score+"不是合法成绩");
        }
    }
}
